NPPES file of Aug 9, 2026

Erin Guritz, FNP-C

Family Nurse Practitioner · Grand Rapids, MI

Erin Guritz, FNP-C is a family nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1407740129, issued on Jun 6, 2025. Check the license (Michigan 4704380954, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407740129
Name
Erin Guritz
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704380954 MI
Self-reported in NPPES; status is on the state search
Practice location
770 Kenmoor Ave SE Ste 100, Grand Rapids, MI 49546
Phone
(616) 272-3533
Enumerated
Jun 6, 2025
Record last updated
Mar 17, 2026
Fax
(616) 259-4839
Medicaid ID
1407740129 MI
Medicare enrollment
Enrolled (PECOS I20250625000255); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 5,356 in Michigan → Look up another NPI →

Also registered at 770 Kenmoor Ave SE Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Baker Marriott, RN, MSN, FNP-BCFamily Nurse Practitioner1679089759
  2. Corinna Balentine, FNP-CFamily Nurse Practitioner1164956934
  3. Mary Ball, M.D.Geriatric Medicine (Family Medicine) Physician1801888938
  4. Kaitlyn Collins, AGNPAdult Health Nurse Practitioner1326544230
  5. Angela Coplin, NPAdult Health Nurse Practitioner1295482743
  6. Chelsea Delisle, FNP- BCNurse Practitioner1578195681

Verify Erin Guritz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704380954    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Ascension Medical Group PromedPortage, MI
  2. Northview Health Specialists, PLLCGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Erin Guritz among 5,356 family nurse practitioner records in Michigan

Erin Guritz, FNP-C is one of 5,356 family nurse practitioner records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2025 · median 2019 among the 3,254 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

290 family nurse practitioner records list a practice address in Grand Rapids

They are 290 of the 18,005 NPPES records with a practice address in Grand Rapids, and 5,356 family nurse practitioner records in Michigan.

All 5,356 in Michigan → Every provider in Grand Rapids → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Joy BartholomewGrand Rapids, MI 495461265498208
  2. Renee Bell, CFNPGrand Rapids, MI 495461750381463
  3. Allison Boonie, NP-CGrand Rapids, MI 495461174948384
  4. Marc BowersGrand Rapids, MI 495461356789135
  5. Daniel Gritters, NPGrand Rapids, MI 495461205249414
  6. Jeremy Herr, MS, FNP, APNPGrand Rapids, MI 495461164731535
  7. Joyce Jensen, FNPGrand Rapids, MI 495461013024983
  8. Gay Kaashoek, F.N.P.Grand Rapids, MI 495461659533685

Common questions

What is Erin Guritz, FNP-C's NPI number?

Erin Guritz, FNP-C's National Provider Identifier (NPI) is 1407740129, issued on Jun 6, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Erin Guritz, FNP-C located?

The NPPES record lists a practice address at 770 Kenmoor Ave SE Ste 100, Grand Rapids, MI, 49546. Phone: (616) 272-3533. Providers update this record themselves, so call before visiting.

How can I verify Erin Guritz, FNP-C's license?

NPPES lists Michigan license number 4704380954, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.